diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6f540cf..4b4c65a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: oven-sh/setup-bun@v2
 
       - name: Cache Elm packages
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.elm
           key: elm-${{ runner.os }}-${{ hashFiles('elm.json') }}
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 91a94a4..60691ca 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: oven-sh/setup-bun@v2
 
       - name: Cache Elm packages
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.elm
           key: elm-${{ runner.os }}-${{ hashFiles('elm.json') }}